不同肽组合对提高促性腺激素释放激素疫苗治疗前列腺癌免疫原性的影响

Q3 Pharmacology, Toxicology and Pharmaceutics Journal of Experimental Therapeutics and Oncology Pub Date : 2017-11-01
Franklin Fuentes Aguilar, Jesús Junco Barranco, Lesvia Calzada Aguilera, Eddy Bover Fuentes, Jose André Serradelo Leal, Eduardo Hernández López, Eulogio Pimentel Vázquez, Roberto Basulto Baker, Osvaldo Reyes Acosta, Hilda Garay Pérez, Gerardo Guillén Nieto
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引用次数: 0

摘要

目的:治疗性疫苗,特别是促性腺激素释放激素(GnRH)疫苗,被认为是晚期前列腺癌的额外治疗选择。我们的研究表明,当两种多肽与非常小尺寸蛋白脂质体(VSSP)结合或不结合时,免疫反应会扩增。VSSP是树突状细胞活化和Th1分化的有效佐剂。增强免疫反应。方法:以哥本哈根大鼠为动物模型进行实验。结果:在产生抗GnRH抗体和对靶器官的作用方面,与单独使用多肽和不使用VSSP相比,使用两种多肽及其与VSSP联合使用对免疫反应的增强具有统计学上的优势。这些结果可以在GnRH候选疫苗的开发和基于肽的疫苗策略中找到应用。结论:多肽联合免疫与vsps混合可增强免疫应答。
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The influence of different peptide combinations to increase the immunogenicity of the Gonadotrophin Releasing Hormone Vaccine for prostate cancer treatment.

Purpose: Therapeutic vaccines, specifically the Gonadotrophin Releasing Hormone (GnRH) vaccine, are considered an additional therapeutic option for advanced stage prostate cancer. Our work showed amplification of the immune response when combining two peptides with and without the Very Small Size Proteoliposomes (VSSP). VSSP is a potent adjuvant for dendritic cells activation and Th1 differentiation. as enhanced immune response.

Methods: The test was carried out in Copenhagen rats as animal model.

Resultst: The use of both peptides and their combination with VSSP generated a potentiation of the immune response statistically superior, in term of generating anti GnRH antibody and effects on target organs, when it was compared with the effects which occurs with independent peptides and with and without the VSSP. These results can find application in the development of GnRH vaccine candidates and in peptide based vaccine strategies.

Conclusions: Immunization with the peptide combination enhances the immune response when mixed with the VSSPs.

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